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 Tumbleweed
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Feb
15
asked Problems with dealing with GARCH models and intra-day data
Feb
15
awarded  Critic
Feb
15
accepted How to model time series of illiquid stocks - 400 observations (transactions) per 8 hours?
Feb
13
accepted Are there any derivatives which pay amount $a(p-b)^{2}-c$ where $p$ is the price of underling asset?
Feb
12
awarded  Yearling
Jan
23
asked Liquidity detection based strategy in HFT
Jan
23
revised Are there any derivatives which pay amount $a(p-b)^{2}-c$ where $p$ is the price of underling asset?
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Jan
23
comment Are there any derivatives which pay amount $a(p-b)^{2}-c$ where $p$ is the price of underling asset?
@Brian B very interesting, thanks
Jan
23
asked Are there any derivatives which pay amount $a(p-b)^{2}-c$ where $p$ is the price of underling asset?
Sep
16
accepted Does the correlation amongst stocks rise when stock values decline?
Jun
20
comment Is a linear combination of GARCH processes also a GARCH process?
good answer, but usually we work with logarithmic returns, if 'x1' and'x2' are returns and x3=a1*x1+a2*x2, and r1=ln(x1),r2=ln(x2), r3=ln(x3) then r3 isn't equal to r1+r2
Jun
20
awarded  Scholar
Jun
20
accepted Is a linear combination of GARCH processes also a GARCH process?
Jun
19
awarded  Peer Pressure
Jun
19
asked Is a linear combination of GARCH processes also a GARCH process?
Jun
16
answered What tools exist for order book analysis and visualization?
May
22
comment Has high frequency trading (HFT) been a net benefit or cost to society?
but the volume you can trade at bid and ask is lower than in pre-HFT times
May
22
awarded  Commentator
May
22
comment What is a commonly accepted econometric model for volume?
@Dirk Eddelbuettel but AR(1)-GARCH(1,1) does
May
22
revised What is a commonly accepted econometric model for volume?
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